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Attack on the uncastled king: bishop to a6 (b7)

c9-02999
Puzzle rating: 1084Theme: Chess960 twist: use the unusual starting setup of the pieces.
a8b7c6d5e4f3g2h1
White to move — find the best continuation

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The tactical motive

Chess960 twist: use the unusual starting setup of the pieces.

White to move — find the best continuation

Solution & explanation

Main line

16. Bxa6 O-O 17. c3 d5 18. Qg2

Why it works

  • Great move! bishop to a6 keeps the pressure (+4.2).
  • pawn to c3 develops smoothly.
  • Precise: queen to g2 is the top choice (+3.9).
  • You win a piece — the rook.
  • If instead O-O, then c3 and you win the rook.

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